They were initially known as performance artists. While still students they made The Singing Sculpture (1970), for which they covered themselves in gold metallic paint, stood on a table, and mimed to a recording of Flanagan and Allen's song "Underneath the Arches", sometimes for hours at a time. [via Wikipedia]

Gilbert and George Gilbert Prousch (b. 1943) and George Passmore (b. 1942)